<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单</title>
</head>
<body>
    <!--表单开始-->
    <form action="" method="post" name="login" target="_blank">
        用户名：<input type="text">
        密码：<input type="password">
        密码：<input type="password">
    </form>
    <!--表单结束-->
</body>
</html>